function returnIndex(){
    //div是触发点击事件的层
    // let elements = div.getElementsByTagName("p");     //找到该div下的所有p标签
    // let p = elements[0];
    // alert(p.innerText);
    //跳转到对应页面
    window.location.href = 'index.html';
}

function toBusiness(){
    window.location.href = 'businessInfo.html';
}

function toOrder(){
    window.location.href = 'myOrder.html';
}
